Research article summary (published 19 Jan 2002):

Threat-induced cortical processing and startle potentiation.

Full Abstract

This paper presents cortical responses as reflected in event-related potentials (ERP) in an instructed fear paradigm. Safe cues and threat cues that predict shock were presented at an unprecedented fast rate (mean SOA of 2.1 s). Startle and subjective measures confirmed that threat relative to safe cues elicited fear. Several ERP correlates of fear processing were predicted and confirmed:
modulation of exogenous sensory components, frontal selection positivity, and increase of P3. Furthermore, a frontal negative slow wave was observed. These results are discussed in relation to attentional selection models and emotional processing.

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Author information

Author/s: Baas, J M P (JM); Kenemans, J L (JL); Böcker, K B E (KB); Verbaten, M N (MN);

Affiliation: Department of Psychopharmacology and Utrecht Institute for Pharmaceutical Sciences, Faculty of Pharmacy, Utrecht University, The Netherlands.

Journal and publication information

Publication Type: Journal Article; Research Support, Non-U.S. Gov't

Journal: Neuroreport (Neuroreport), published in England. (Language: eng)

Reference: 2002-Jan; vol 13 (issue 1) : pp 133-7

Dates: Created 2002/04/01; Completed 2002/07/18; Revised 2006/11/15;

PMID: 11926166, status: MEDLINE (last retrieval date: 11/6/2008)

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Adult Anxiety - physiopathology Cerebral Cortex - physiology Cues Electroshock Evoked Potentials - physiology Fear - physiology

Female Forecasting Humans Male Mental Processes - physiology Startle Reaction - physiology Time Factors

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